Natural Science Quiz Questions and Answers for Competitive Exams
General Science Questions: 2020
9. Which polymer is used to manufacture electric switches, computer disks etc.?
(A) Bakelite
(B) Polythene
(C) Nylon
(D) Teri cot
Ans . A
10. With which polymer, the cabinets of radio and TV made of?
(A) Polystyrene
(B) Polythene
(C) Nylon
(D) Teri cot
Ans . A
11. Which chemical is used to make rain coats?
(A) Poly Vinyl Chloride(PVC)
(B) Polythene
(C) Nylon
(D) Teri cot
Ans . A
12. Which type of plastics can be recycled?
(A) Thermoplastics
(B) Polythene (PE)
(C) Polyvinyl Chloride (PVC)
(D) Polyprophylene (PP)
Ans . A
13. What is the name given to plastics that cannot be recycled?
(A) Thermosetting plastics
(B) Polythene (PE)
(C) Polyvinyl Chloride (PVC)
(D) Polyprophylene (PP)
Ans . A
14. Which element is a liquid at ordinary temperature?
(A) Mercury
(B) Iron
(C) copper
(D) Tustin
Ans . A
15. What is the chemical name of baking soda?
(A) Sodium bicarbonate
(B) Sodium Hydroxide
(C) Calcium carbonate
(D) Sulphur Soda
Ans . A
16. What is sodium carbonate commonly known as?
(A) Washing soda or soda ash
(B) Bathing Soap
(C) Washing Soap
(D) Surf
Ans . A
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Rajesh Bhatia
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